Grip-tread for pneumatic tires.



"JATENTED APR. 17, 190.6..

. PARKER, SR.

A.' GRU@ TREAD FOP. PNBUMATIO TIRES.

APPLIATION FILED YEB.16.1905.

UVawff/id'f/ -f 5. The Combination with a rim and ltire of clamping-plates together against the peripha vehicle-Wheel, la series of metal plates er- 4eryof the tire and inner face of the rimreranged end to end around and upon the gel spectvely. -riphery of the tire, and each provided Wit a 5 longitudinal and `e transverse rib, of a series hand this 9th day of February, 1905.

of clam ing.- plates arranged end to end. I ARTHUR H. PARKER, SR. around t e inner face of the rim, onefor each Witnesses: of the grippn -plates and clamping-levers H1). CHASE,

[connected to aw-*the gripping-plates and MILDRED M. NoTT.

In Witness whereof l have hereunto set my. 

